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Mariana in October

Short answer

In October, Mariana averages highs of 29 °C (84 °F) and lows of 19 °C (66 °F), with about 110 mm of rain spread over roughly 8 days. October has moderate rainfall, usually in quick showers that do not spoil the whole day. Crowds tend to be moderate this month.

Climate · INMET (updated 2026)
Where to stayCompare hotels and rates in Mariana on Booking.comSee hotels →
Temperature
29 / 19 °C
high / low
Rain
110 mm
8 days
Daylight
12h33
sunset at 17:55
Crowds
Moderate
1 public holiday

What to expect in Mariana in October

Myllena Vieira, editor at Visite
Editor's tip

October is spring in Mariana. In Brazil the seasons are the reverse of those in the Northern Hemisphere. Temperatures are pleasant, with highs of 29 °C (84 °F) and nights that still call for a light jacket. Crowds sit somewhere in the middle, with peaks on public holidays. Outside those dates, you can enjoy the place at an easy pace and spend less. Rain, when it comes, is usually brief and does not spoil the day.

Myllena Vieira · Editor at Visite
Crowds
Crowd level: moderate

Moderate crowds, with peaks on public holidays. Outside those dates, you can enjoy the place at a calmer pace.

Prices
Rates: moderate

Moderate prices outside public holidays, which push rates and crowds up.

Where to stay

Hotels in Mariana

In October, demand in Mariana is moderate: most hotels have room, but public holidays fill them up. Compare rates and book a few weeks ahead.

See all hotels in Mariana

Rates change with the dates: confirm the price on Booking.com.

What happens in October

No major fixed festivals in October, but public holidays (Our Lady of Aparecida) bring more people to the destination.

Public holidays in October: Our Lady of Aparecida (12/10). Expect more people and higher prices around these dates.

What to pack in October

Light clothing for the day · highs of 29 °C (84 °F) Rain jacket or umbrella · 8 days of rain in the month Sunscreen and sunglasses · strong sun on the tours Comfortable walking shoes · you will be on foot much of the day
Looking for better weather?

Where the weather is good in October

These destinations have the best weather comfort for October, scored with the same calculation of rain, heat and humidity. Tap to see what the month is like in each one.

Lençóis Maranhenses 79
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Maranhão · see October →
Jericoacoara 76
Jericoacoara
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Fernando de Noronha 75
Fernando de Noronha
Pernambuco · see October →
Fortaleza 75
Fortaleza
Ceará · see October →
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Torn between Mariana and another destination?

See Mariana next to the destinations that usually compete for the same trip: month-by-month weather, driving cost, ideal length of stay and travel style, side by side.

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Questions about Mariana in October

What is the weather like in Mariana in October?
In October, Mariana averages highs of 29 °C (84 °F) and lows of 19 °C (66 °F), with about 110 mm of rain spread over roughly 8 days. October has moderate rainfall, usually in quick showers that do not spoil the whole day. Crowds tend to be moderate this month.
Does it rain a lot in Mariana in October?
In October, Mariana gets about 110 mm of rain spread over around 8 rainy days, in line with the average rainfall for the year. Rain tends to come in quick showers that do not ruin the day.
Is October high season in Mariana?
Crowds in October tend to be moderate. Moderate prices outside public holidays, which push rates and crowds up.
What is happening in Mariana in October?
No major fixed festivals in October, but public holidays (Our Lady of Aparecida) bring more people to the destination.
Does it usually rain all day in Mariana in October?
INMET's climate normals record the number of rainy days and the total millimeters, not the hours of each day, so they do not say how long the rain lasts. What they show for Mariana in October: 8 rainy days in a month of 31 days (about 26% of the days) and 110 mm over the month, which works out to an average of about 14 mm per rainy day. Compared with the rest of the year, October falls within the destination's average rainfall. Rain tends to come in showers, but it is smart to have an indoor backup plan.
What is the temperature in Mariana in October, and what should you pack?
According to INMET's climate normals, the average high in Mariana in October is 29 °C and the average low is 19 °C, with air humidity of around 60%. Compared with the rest of the year, the temperature in October is typical for the destination. For your suitcase, here is what those numbers call for: light clothing for the day; rain jacket or umbrella; sunscreen and sunglasses.
Is Mariana worth visiting in October?
Good time to visit. On our weather comfort index, which weighs rain, heat and humidity from INMET's climate normals, October scores 63 out of 100 and ranks No. 7 among the 12 months. The most comfortable month is June (97) and the least comfortable is January (46). As for crowds, in October they tend to be moderate.
September see the full year November